BFS:python实现,用队列先进先出实现。 #字典 graph={"A":["B","C"],"B":["A","C","D"],"C":["A","B","D","E"],"D":["B","C","E","F"],"E":["C","D"],"F":["D"] } def BFS(graph, s): #s结点 queue=[] #数组来实现队列 queue.append(s) seen=set() #集合...
This post will discuss how to implement twostacksin a single array efficiently. A simple solution would be to divide the array into two halves and allocate each half to implement two stacks. In other words, for an arrayAof sizen, the solution would allocateA[0, n/2]memory for the first...